内容正文:
猜词口诀+练习
例1:Other studies support the idea that the bird brain can, in principle, support the development of higher intelligence. It had been dismissed in the past due to the small size of birds’ brains. But recent research has shown that in birds, the neurons (神经元) are smaller and more tightly-packed.
1. What does the underlined word “it” refer to?
A. The idea B. The bird brain C. The development D. Higher intelligence
例2:Aerogels are one of the world’s lightest solid materials. Often called “frozen smoke”, they are made by removing the liquid from a gel(胶) and replacing it with air. They have many scientific uses, but one of their special properties is the ability to conduct electric currents, which makes them an important part of supercapacitors.
2. What does the underlined word “them” refer to?
A. aerogels B. scientific uses C. properties D. electric current
例3:…She was recommended light therapy(疗法), which involved sitting in front of a light box as well as going outside during daylight hours. This is believed to help anyone who is affected by the winter depression.
Although having more light is an obvious cure, antidepressants can help those with more severe depression by artificially raising the amount of serotonin(血清素) in the brain.
3. What does the underlined word “antidepressants” refer to?
A. doctors B. plants C. medicines D. good habits
例4:As they grew more mobile(好动的), we let them move freely around the house during the day, but when we were asleep we had to contain them in a large room, otherwise they’d get up to mischief. We’d come down in the morning to find they’d turned the room upside down, and left it looking like a zoo.(2019年全国 Ⅰ卷)
4. What does the underlined words “get up to mischief” mean in paragraph 3?
A. lose their way B. sleep soundly C. behave badly D. miss their mom
例5:Earlier studies have shown that cats can tell familiar and unfamiliar human voices apart, and locate hidden ob